B28D5/00
Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
B28D5/00
Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
B28D5/0058
Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
B28D5/0058
Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
B28D5/0076
for removing dust, e.g. by spraying liquids; for lubricating, cooling or cleaning tool or work
B28D5/0076
for removing dust, e.g. by spraying liquids; for lubricating, cooling or cleaning tool or work